The detection apparatus is now permanent. The question is what evidence you have when it finds you.
US DISTRICT COURT OF OREGON
$110,000. Largest US AI-hallucination sanction to date.
A federal judge in Oregon sanctioned two lawyers $110,000 in 2026 after they submitted a brief containing 23 fabricated citations and 8 invented quotations. Q1 2026 alone saw US courts impose over $145,000 in sanctions for AI hallucinations in legal filings.
Fortune, 2026-05-16; Sterne Kessler 2025 review of sanctions
DAMIEN CHARLOTIN HALLUCINATION DATABASE
1,353+ court decisions worldwide. Daily updates.
The most comprehensive public tracker of AI hallucination cases in law. Searchable by country, party, AI tool, and outcome. The database has been cited in several court decisions itself, and its companion PelAIkan automated reference checker now operates against new filings.
damiencharlotin.com/hallucinations, accessed 2026-05-19
MARCH 31, 2026
17 US court decisions flagged AI hallucinations in one day.
Per Reason / Volokh Conspiracy tracking, 17 separate US court decisions noted suspected AI hallucinations in legal filings on a single day. Daily detection volume is now routine. The question is no longer "if your tool will hallucinate" — it's "what evidence will you produce when the Rule 11 motion lands."
Reason.com / Volokh Conspiracy, 2026-04-06